CN217419533U - Maintenance structure for trash rack at water inlet and water outlet of pumping power station - Google Patents
Maintenance structure for trash rack at water inlet and water outlet of pumping power station Download PDFInfo
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- CN217419533U CN217419533U CN202120651876.8U CN202120651876U CN217419533U CN 217419533 U CN217419533 U CN 217419533U CN 202120651876 U CN202120651876 U CN 202120651876U CN 217419533 U CN217419533 U CN 217419533U
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- trash rack
- overhauling
- platform
- power station
- water inlet
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Abstract
The utility model provides a suction power station advances, delivery port trash rack overhauls structure sets up trash rack maintenance platform (1) in the position that is a little higher than the stagnant water level elevation, and trash rack maintenance platform (1) top sets up framed bent structure (2), and framed bent structure (2) top is used for setting up interim jack-up machinery (5), and trash rack (13) hang out the drill way through interim jack-up machinery (5) subsection when overhauing, trash rack maintenance platform (1) upper berth establishes trash rack transport track (6) to extend to gate well maintenance platform (7). The utility model discloses an overhaul of trash rack provides safe, stable and convenient condition, has simple structure, construction convenience and the higher advantage of reliability.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering field, concretely relates to pump storage power station advances, delivery port trash rack overhauls structure.
Background
The water inlet and outlet of the pumped storage power station usually consist of a trash rack section, a diffusion section, an adjustment section and a gate well section. For reducing the span of entering the hole, guarantee to enter the country rock of entrance to a cave stable, the diffuser section is whole or partial and the whole section of trash rack section sets up the hole under the general condition outside, and the means that needs to adopt at present for the maintenance of trash rack has two kinds:
one is that if there is natural runoff in the reservoir area, when there is the filth source to cause trash rack maintenance frequency great, need set up special trash rack and overhaul the platform, because trash rack overhauls the platform elevation and is higher than normal water storage position, consequently need set up frame post structure. In order to facilitate the overhaul and the transportation of the trash rack, a traffic bridge is required to be arranged at the top of the trash rack overhaul platform, and a gantry crane is arranged for hoisting and overhauling, so that a lot of cost is increased for the overhaul of the trash rack.
The other is that if natural runoff does not exist in a reservoir area, the frequency of overhauling the trash rack is not high when dirt is less, a special overhauling platform is not arranged, in case of accident, the trash rack cleaning overhauling platform is arranged at the top of the trash rack groove at the water inlet and the water outlet, and when the reservoir water level is reduced to a dead water level, the trash rack is cleaned or overhauled, the arrangement type saves investment of a rack column and a traffic bridge structure compared with the first type, the engineering quantity is relatively less, but the trash rack cleaning platform at the water inlet and the water outlet is lower in the type, an overhauling rack is usually required to be built to lift the trash rack out of the trash rack groove during overhauling, as the rack is temporarily built, the convenience, the stability and the safety of overhauling are relatively lower, certain risks exist, in addition, the dirt carrying and the later period of overhauling and replacing the trash rack need to hoist professional equipment, and as the height difference between the gate well overhauling platform and the trash rack cleaning platform is larger, certain risks exist during hoisting.
Based on the above situation, the utility model provides a take out and hold power station advance, delivery port trash rack and overhaul structure can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the prior art, the utility model aims to provide a take out and hold power station advance, delivery port trash rack overhauls structure. The utility model discloses an overhaul of trash rack provides safe, stable and convenient condition, has simple structure, construction convenience and the higher advantage of reliability.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a take out and hold power station advance, delivery port trash rack and overhaul structure which characterized in that: set up the trash rack at the position that is a little higher than the stagnant water level elevation and overhaul the platform, the trash rack overhauls the platform top and sets up the framed bent structure, and framed bent structure top is used for setting up interim jack-up machinery, and the trash rack is through interim jack-up machinery merogenesis hoisting out drill way when overhauing, lay trash rack transport track on the trash rack overhauls the platform to extend to gate well maintenance platform.
And further: the bent structure comprises an embedded part which is embedded at the top of the bent structure and is arranged along the center line of the trash rack in a through-length mode, I-shaped steel is welded below the embedded part, and the I-shaped steel is connected with temporary hoisting machinery.
Further: and a ramp is arranged between the trash rack overhauling platform and the gate well overhauling platform.
Further: the trash rack carrying track extends to a gate shaft overhauling platform through a ramp, and a winch is arranged on the gate shaft overhauling platform.
Further: the clear height of the bent frame structure is determined according to the sum of the height of any section of the trash rack and a safety margin of 1 m.
Further: the temporary hoisting machinery is a manual or electric hoist and is hung on the top of the bent structure when the trash rack is overhauled.
And further: the trash rack carrying rails are arranged in parallel, and the initial position of the trash rack carrying rails is located on one side of the trash rack at the tail end of the trash rack overhauling platform.
Further: set up the pedestrian's step of connecting trash rack maintenance platform and gate well maintenance platform on the ramp, the side of pedestrian's step sets up the rest platform.
Further: and handrail handrails are arranged on two sides of the pedestrian steps and the starting points of the trash rack carrying rails.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model is provided with the bent frame structure and the trash rack carrying track, thereby facilitating the lifting, the dismounting and the desilting and the overhaul of the trash rack, providing safe, stable and convenient conditions for the overhaul of the trash rack, and having the advantages of simple structure, convenient construction and higher reliability; and the utility model discloses because of safety and humanized consideration, arranged rest platform and railing handrail.
Drawings
FIG. 1 is a schematic plan view of the present invention
Fig. 2 is a schematic sectional view along the center line of the trash rack gate slot.
FIG. 3 is a schematic cross-sectional view of the step side line of the pedestrian according to the present invention
Fig. 4 is a partially enlarged view of fig. 2.
Reference numerals are as follows: 1-a trash rack maintenance platform; 2-a bent structure; 3-embedded parts; 4-I-steel; 5-temporary hoisting machinery; 6, carrying rails for the trash racks; 7-a gate well maintenance platform; 9-a resting platform; 10-pedestrian steps; 11-balustrade handrails; 12-a ramp; 13-trash rack.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
As shown in figures 1 to 4, the trash rack overhauling structure for the water inlet and the water outlet of the pumping power station is characterized in that a trash rack overhauling platform 1 is arranged at a position slightly higher than the height of a dead water level, when a reservoir water level line is lowered to the dead water level line, a worker can lift a trash rack 13 through a bent frame structure 2, the trash rack 13 is overhauled and cleaned, a bent frame structure 2 is arranged above a trash rack overhauling platform 1, a temporary hoisting machine 5 is arranged at the top of the bent frame structure 2, the trash rack 13 is hoisted out of a hole opening in sections through the temporary hoisting machine 5 during overhauling, the hole opening is a water outlet, arranging the trash rack 13 on the trash rack overhauling platform 1 for overhauling, laying a trash rack carrying rail 6 on the trash rack overhauling platform 1, extending to the gate well overhauling platform 7, if the trash rack 13 needs to be replaced, the trash rack 13 may be transported to the floodgate shaft inspection platform 7 through the trash rack transporting rail 6. The trash rack carrying rail 6 can also be used for conveying small and medium-sized overhaul equipment and overhaul parts.
The bent frame structure 2 is a frame structure formed by reinforced concrete, the bent frame structure 2 comprises an embedded part 3 which is embedded in the top of the bent frame structure 2 and is arranged along the center line of the trash rack 13 in a through length mode, I-shaped steel 4 is welded below the embedded part 3, and the I-shaped steel 4 is connected with a temporary hoisting machine 5. The temporary hoisting machinery 5 is a manual or electric hoist, and the temporary hoisting machinery 5 is hung on the top of the bent frame structure 2 when the trash rack 13 is overhauled.
The elevation of the gate well overhauling platform 7 is higher than that of the trash rack overhauling platform 1, and a ramp 12 is arranged between the trash rack overhauling platform 1 and the gate well overhauling platform 7.
The trash rack carrying rail 6 extends to the gate well maintenance platform 7 through the ramp 12, a winch is arranged on the gate well maintenance platform 7, and small and medium-sized maintenance equipment and maintenance parts needing to be transmitted are dragged and transported to the gate well maintenance platform 7 through the trash rack carrying rail 6.
The clear height of the bent frame structure 2 is determined according to the height of any section of the trash rack 13 plus a safety margin of 1 m.
The two trash rack carrying rails 6 are arranged in parallel, and the initial position of the trash rack carrying rails 6 is located on one side of the trash rack 13 at the tail end of the trash rack overhauling platform 1. The bent frame structure 2 is arranged corresponding to the trash rack 13, and the trash rack 13 is within the range of the stroke of the temporary hoisting machine 5.
The ramp 12 is provided with a pedestrian step 10 for connecting the trash rack overhauling platform 1 and the gate well overhauling platform 7, the pedestrian step 10 is used for workers to walk up and down, and the side edge of the pedestrian step 10 is provided with a rest platform 9.
And handrails 11 are arranged on two sides of the pedestrian steps 10 and the starting points of the trash rack carrying rails 6, so that the safety of workers is ensured. Because trash rack 13 filth is less at ordinary times, the filth after the clearance can be carried to gate shaft maintenance platform 7 through pedestrian step 10 by the manual work, and out safety and humanized consideration, rest platform 9 and railing 11 are arranged at a distance of every section to pedestrian step 10.
According to the utility model discloses a description and drawing, the field technical personnel make or use very easily the utility model discloses a take out and hold power station advance, delivery port trash rack and overhaul structure to can produce the positive effect that the utility model discloses record.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention for any simple modification and equivalent change of the above embodiments.
Claims (9)
1. The utility model provides a take out and hold power station advance, delivery port trash rack and overhaul structure which characterized in that: set up trash rack maintenance platform (1) in the position that is a little higher than the stagnant water level elevation, trash rack maintenance platform (1) top sets up framed bent structure (2), and framed bent structure (2) top is used for setting up interim hoisting machinery (5), and trash rack (13) are hoisted out the drill way through interim hoisting machinery (5) subsection when overhauing, trash rack maintenance platform (1) is gone up to lay trash rack transport track (6) to extend to gate shaft maintenance platform (7).
2. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 1, wherein: the bent structure (2) comprises an embedded part (3) which is embedded at the top of the bent structure (2) and arranged along the center line of the trash rack (13), I-shaped steel (4) is welded below the embedded part (3), and the I-shaped steel (4) is connected with a temporary hoisting machine (5).
3. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 1, wherein: a ramp (12) is arranged between the trash rack overhauling platform (1) and the gate well overhauling platform (7).
4. The pumped storage power station water inlet and outlet trash rack overhauling structure according to claim 3, characterized in that: the trash rack carrying rail (6) extends to the gate well maintenance platform (7) through the ramp (12), and the gate well maintenance platform (7) is provided with a winch.
5. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 1, wherein: the clear height of the bent frame structure (2) is determined according to the height of any section of the trash rack (13) plus a safety margin of 1 m.
6. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 1, wherein: the temporary hoisting machinery (5) is a manual or electric hoist, and the temporary hoisting machinery (5) is hung on the top of the bent frame structure (2) when the trash rack (13) is overhauled.
7. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 1, wherein: the trash rack carrying rails (6) are arranged in parallel, and the starting position of the trash rack carrying rails (6) is located on one side of the trash rack (13) at the tail end of the trash rack overhauling platform (1).
8. The pumped storage power station water inlet and outlet trash rack overhauling structure according to claim 3, characterized in that: the ramp (12) is provided with a pedestrian step (10) for connecting the trash rack overhauling platform (1) and the gate well overhauling platform (7), and the side edge of the pedestrian step (10) is provided with a rest platform (9).
9. The pumped storage power station water inlet and outlet trash rack overhauling structure of claim 8, wherein: and handrail handrails (11) are arranged on two sides of the pedestrian steps (10), and the handrail handrails (11) are arranged at the starting points of the trash rack carrying rails (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651876.8U CN217419533U (en) | 2021-03-31 | 2021-03-31 | Maintenance structure for trash rack at water inlet and water outlet of pumping power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651876.8U CN217419533U (en) | 2021-03-31 | 2021-03-31 | Maintenance structure for trash rack at water inlet and water outlet of pumping power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419533U true CN217419533U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120651876.8U Active CN217419533U (en) | 2021-03-31 | 2021-03-31 | Maintenance structure for trash rack at water inlet and water outlet of pumping power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419533U (en) |
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2021
- 2021-03-31 CN CN202120651876.8U patent/CN217419533U/en active Active
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